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Side-by-side financial comparison of AerCap Holdings N.V. (AER) and CMS Energy (CMS). Click either name above to swap in a different company.

CMS Energy is the larger business by last-quarter revenue ($2.1B vs $1.9B, roughly 1.1× AerCap Holdings N.V.). AerCap Holdings N.V. runs the higher net margin — 66.7% vs 13.5%, a 53.2% gap on every dollar of revenue. On growth, CMS Energy posted the faster year-over-year revenue change (13.0% vs -3.6%).

AerCap Holdings N.V. is an Irish-American aviation leasing company headquartered in Dublin, Ireland, with offices around the world. AerCap is listed on the NYSE with the ticker 'AER'. It became the largest aviation leasing company in the world following the acquisition of ILFC in 2014, and GECAS from GE in 2021, for over $30 billion.

CMS Energy Corporation is an American energy company based in Jackson, Michigan, that is focused principally on utility operations in Michigan. Its principal business is Consumers Energy, a public utility that provides electricity and natural gas to more than 6 million of Michigan's 10 million residents. Its non-utility businesses are focused primarily on domestic independent power production. Consumers Energy has operated since 1886.

AER vs CMS — Head-to-Head

Bigger by revenue
CMS
CMS
1.1× larger
CMS
$2.1B
$1.9B
AER
Growing faster (revenue YoY)
CMS
CMS
+16.6% gap
CMS
13.0%
-3.6%
AER
Higher net margin
AER
AER
53.2% more per $
AER
66.7%
13.5%
CMS

Income Statement — Q2 FY2025 vs Q4 FY2025

Metric
AER
AER
CMS
CMS
Revenue
$1.9B
$2.1B
Net Profit
$1.3B
$289.0M
Gross Margin
Operating Margin
73.1%
20.4%
Net Margin
66.7%
13.5%
Revenue YoY
-3.6%
13.0%
Net Profit YoY
181.0%
9.1%
EPS (diluted)
$7.09
$0.94

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
AER
AER
CMS
CMS
Q4 25
$2.1B
Q3 25
$2.0B
Q2 25
$1.9B
$1.8B
Q1 25
$2.4B
Q4 24
$1.9B
Q3 24
$1.7B
Q2 24
$2.0B
$1.6B
Q1 24
$2.1B
Net Profit
AER
AER
CMS
CMS
Q4 25
$289.0M
Q3 25
$277.0M
Q2 25
$1.3B
$201.0M
Q1 25
$304.0M
Q4 24
$265.0M
Q3 24
$253.0M
Q2 24
$448.2M
$198.0M
Q1 24
$287.0M
Operating Margin
AER
AER
CMS
CMS
Q4 25
20.4%
Q3 25
24.4%
Q2 25
73.1%
17.6%
Q1 25
20.6%
Q4 24
22.5%
Q3 24
21.4%
Q2 24
25.1%
18.0%
Q1 24
19.2%
Net Margin
AER
AER
CMS
CMS
Q4 25
13.5%
Q3 25
14.0%
Q2 25
66.7%
11.2%
Q1 25
12.7%
Q4 24
14.0%
Q3 24
14.8%
Q2 24
22.9%
12.6%
Q1 24
13.4%
EPS (diluted)
AER
AER
CMS
CMS
Q4 25
$0.94
Q3 25
$0.92
Q2 25
$7.09
$0.66
Q1 25
$1.01
Q4 24
$0.88
Q3 24
$0.84
Q2 24
$2.28
$0.65
Q1 24
$0.96

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
AER
AER
CMS
CMS
Cash + ST InvestmentsLiquidity on hand
$2.7B
$509.0M
Total DebtLower is stronger
$46.1B
Stockholders' EquityBook value
$17.9B
$9.1B
Total Assets
$73.6B
$39.9B
Debt / EquityLower = less leverage
2.57×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AER
AER
CMS
CMS
Q4 25
$509.0M
Q3 25
$362.0M
Q2 25
$2.7B
$844.0M
Q1 25
$465.0M
Q4 24
$103.0M
Q3 24
$412.0M
Q2 24
$1.4B
$699.0M
Q1 24
$802.0M
Total Debt
AER
AER
CMS
CMS
Q4 25
Q3 25
Q2 25
$46.1B
Q1 25
Q4 24
Q3 24
Q2 24
$45.7B
Q1 24
Stockholders' Equity
AER
AER
CMS
CMS
Q4 25
$9.1B
Q3 25
$8.9B
Q2 25
$17.9B
$8.4B
Q1 25
$8.3B
Q4 24
$8.2B
Q3 24
$8.1B
Q2 24
$17.0B
$8.0B
Q1 24
$7.9B
Total Assets
AER
AER
CMS
CMS
Q4 25
$39.9B
Q3 25
$38.0B
Q2 25
$73.6B
$37.7B
Q1 25
$36.3B
Q4 24
$35.9B
Q3 24
$34.8B
Q2 24
$71.1B
$34.4B
Q1 24
$33.9B
Debt / Equity
AER
AER
CMS
CMS
Q4 25
Q3 25
Q2 25
2.57×
Q1 25
Q4 24
Q3 24
Q2 24
2.69×
Q1 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
AER
AER
CMS
CMS
Operating Cash FlowLast quarter
$478.0M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
1.65×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AER
AER
CMS
CMS
Q4 25
$478.0M
Q3 25
$343.0M
Q2 25
$414.0M
Q1 25
$1.0B
Q4 24
$403.0M
Q3 24
$304.0M
Q2 24
$707.0M
Q1 24
$956.0M
Free Cash Flow
AER
AER
CMS
CMS
Q4 25
Q3 25
$-635.0M
Q2 25
$-470.0M
Q1 25
$112.0M
Q4 24
Q3 24
$-502.0M
Q2 24
$26.0M
Q1 24
$343.0M
FCF Margin
AER
AER
CMS
CMS
Q4 25
Q3 25
-32.2%
Q2 25
-26.1%
Q1 25
4.7%
Q4 24
Q3 24
-29.3%
Q2 24
1.6%
Q1 24
16.0%
Capex Intensity
AER
AER
CMS
CMS
Q4 25
Q3 25
49.5%
Q2 25
49.2%
Q1 25
37.0%
Q4 24
Q3 24
47.1%
Q2 24
43.2%
Q1 24
28.6%
Cash Conversion
AER
AER
CMS
CMS
Q4 25
1.65×
Q3 25
1.24×
Q2 25
2.06×
Q1 25
3.29×
Q4 24
1.52×
Q3 24
1.20×
Q2 24
3.57×
Q1 24
3.33×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

AER
AER

Segment breakdown not available.

CMS
CMS

Electric Utility$1.3B59%
Gas Utility$803.0M38%
North Star Clean Energy$77.0M4%

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